I have created the fiddle (http://jsfiddle.net/9aJtG/1) but it has other problems - 1) The drag and drop on fiddle just opens up the file (not sure why) 2) on dropping the files the files get submitted, but there is no server side code which can work with JSFiddle form posting

Sorry, my last change wasn't updated in JSFiddle. I have changed the link now to working code.
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user356247Sep 21 '12 at 13:24

@Gabber - Wouldn't data-bind="attr: {value:percentUploaded} set the progress bar to whatever value it has. Note: each row in the grid has a progress bar, its not a common bar for everything.
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user356247Sep 21 '12 at 13:26

Could you make a fiddle that reproduces your problem but is representative of the code you have? Giving us code that isn't the same as your problem doesn't really help us understand the problem.
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Jeff MercadoSep 21 '12 at 16:02